Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rc5 win in 3 half-moves
2 Kc2 win in 7 half-moves
3 Rb5 win in 7 half-moves
4 Kb1 win in 9 half-moves
5 Kb2 win in 9 half-moves
6 Kc5 win in 11 half-moves
7 Kd1 win in 11 half-moves
8 Kd2 win in 11 half-moves
9 Ra1 win in 11 half-moves
10 Ke5 draw
11 Ke6 draw
12 Ra7 draw
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves